13-Letter Words Matching _S_____A_____

There are 18 13-letter words that match _S_____A_____. 6 are common words, such as ASPHYXIATIONS and ASSEVERATIONS. A rarer one is TSUTSUGAMUSHI. In this set, S is the most frequent open letter (17 words). 11 words contain a doubled letter.

Full list 18

asphyxiationsasseverationsassimilationsossificationspsychobabblespsychopathiesessentialnesspsychopathistassemblagistsessentialismsessentialistsessentializedessentializesisoprenalinesosteoplastiespsychobabblerpsychopathicstsutsugamushi

About this list

Words
18 (6 common words)
Common example
asphyxiations
Rare example
tsutsugamushi
Doubled letters
11
Ending in S
14
Most frequent letter
S (17)

Questions

How many 13-letter words matching _s_____a_____ are there?

18. 6 of them are common words.

What is a common example?

ASPHYXIATIONS is among the common words in this set.